Life & fun · September 19, 2019
Span
A new way of managing energy from a former Tesla employee
Span launched on September 19, 2019 with 125 votes, #237 of 3,296 launches that month and more than 90% of that year's launches. The site was still online in September 2026, 7 years on.
What it does
Span combines intelligent hardware with an intuitive app that lets you take control of your priorities. Join us in the next generation of home energy.
Lower your energy bill with SPAN smart electrical panels - advanced features and intelligent design save you money and energy.
A smarter electrical panel that unlocks whole-home, room, and appliance energy data designed to lower your energy bill. Adding or have an existing battery, EV, or HVAC? Doing a renovation or building from scratch? Whatever project you have in mind, do it once and do it right with SPAN. Easily update what rooms and appliances need power on the fly to keep your lights on and the appliances that matter most running smoothly during a power outage. SPAN is the unrivaled leader in electrical safety, meeting the rigorous requirements for a Power Control System (UL 1741 PCS). SPAN is NEMA 3R rated for indoor and outdoor placement, ensuring cost-effective installs regardless of your battery…from span.io
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